From 5c1676dfe6d2f3c837a5e074117b45613fd29a72 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:30:19 +0200 Subject: Adding upstream version 2.10.34. Signed-off-by: Daniel Baumann --- app/tools/gimppolygonselecttool.c | 555 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 555 insertions(+) create mode 100644 app/tools/gimppolygonselecttool.c (limited to 'app/tools/gimppolygonselecttool.c') diff --git a/app/tools/gimppolygonselecttool.c b/app/tools/gimppolygonselecttool.c new file mode 100644 index 0000000..878e226 --- /dev/null +++ b/app/tools/gimppolygonselecttool.c @@ -0,0 +1,555 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * Major improvement to support polygonal segments + * Copyright (C) 2008 Martin Nordholts + * + * This program is polygon software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Polygon Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "config.h" + +#include +#include + +#include "libgimpwidgets/gimpwidgets.h" + +#include "tools-types.h" + +#include "core/gimpchannel.h" +#include "core/gimpchannel-select.h" +#include "core/gimpimage.h" +#include "core/gimplayer-floating-selection.h" + +#include "widgets/gimphelp-ids.h" +#include "widgets/gimpwidgets-utils.h" + +#include "display/gimpdisplay.h" +#include "display/gimptoolpolygon.h" + +#include "gimppolygonselecttool.h" +#include "gimpselectionoptions.h" +#include "gimptoolcontrol.h" + + +struct _GimpPolygonSelectToolPrivate +{ + GimpToolWidget *widget; + GimpToolWidget *grab_widget; + + gboolean pending_response; + gint pending_response_id; +}; + + +/* local function prototypes */ + +static void gimp_polygon_select_tool_finalize (GObject *object); + +static void gimp_polygon_select_tool_control (GimpTool *tool, + GimpToolAction action, + GimpDisplay *display); +static void gimp_polygon_select_tool_button_press (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpButtonPressType press_type, + GimpDisplay *display); +static void gimp_polygon_select_tool_button_release (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpButtonReleaseType release_type, + GimpDisplay *display); +static void gimp_polygon_select_tool_motion (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpDisplay *display); +static gboolean gimp_polygon_select_tool_key_press (GimpTool *tool, + GdkEventKey *kevent, + GimpDisplay *display); +static void gimp_polygon_select_tool_modifier_key (GimpTool *tool, + GdkModifierType key, + gboolean press, + GdkModifierType state, + GimpDisplay *display); +static void gimp_polygon_select_tool_oper_update (GimpTool *tool, + const GimpCoords *coords, + GdkModifierType state, + gboolean proximity, + GimpDisplay *display); +static void gimp_polygon_select_tool_cursor_update (GimpTool *tool, + const GimpCoords *coords, + GdkModifierType state, + GimpDisplay *display); + +static void gimp_polygon_select_tool_real_confirm (GimpPolygonSelectTool *poly_sel, + GimpDisplay *display); + +static void gimp_polygon_select_tool_polygon_change_complete (GimpToolWidget *polygon, + GimpPolygonSelectTool *poly_sel); +static void gimp_polygon_select_tool_polygon_response (GimpToolWidget *polygon, + gint response_id, + GimpPolygonSelectTool *poly_sel); + +static void gimp_polygon_select_tool_start (GimpPolygonSelectTool *poly_sel, + GimpDisplay *display); + + +G_DEFINE_TYPE_WITH_PRIVATE (GimpPolygonSelectTool, gimp_polygon_select_tool, + GIMP_TYPE_SELECTION_TOOL) + +#define parent_class gimp_polygon_select_tool_parent_class + + +/* private functions */ + +static void +gimp_polygon_select_tool_class_init (GimpPolygonSelectToolClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass); + + object_class->finalize = gimp_polygon_select_tool_finalize; + + tool_class->control = gimp_polygon_select_tool_control; + tool_class->button_press = gimp_polygon_select_tool_button_press; + tool_class->button_release = gimp_polygon_select_tool_button_release; + tool_class->motion = gimp_polygon_select_tool_motion; + tool_class->key_press = gimp_polygon_select_tool_key_press; + tool_class->modifier_key = gimp_polygon_select_tool_modifier_key; + tool_class->oper_update = gimp_polygon_select_tool_oper_update; + tool_class->cursor_update = gimp_polygon_select_tool_cursor_update; + + klass->change_complete = NULL; + klass->confirm = gimp_polygon_select_tool_real_confirm; +} + +static void +gimp_polygon_select_tool_init (GimpPolygonSelectTool *poly_sel) +{ + GimpTool *tool = GIMP_TOOL (poly_sel); + GimpSelectionTool *sel_tool = GIMP_SELECTION_TOOL (tool); + + poly_sel->priv = gimp_polygon_select_tool_get_instance_private (poly_sel); + + gimp_tool_control_set_motion_mode (tool->control, + GIMP_MOTION_MODE_EXACT); + gimp_tool_control_set_wants_click (tool->control, TRUE); + gimp_tool_control_set_wants_double_click (tool->control, TRUE); + gimp_tool_control_set_active_modifiers (tool->control, + GIMP_TOOL_ACTIVE_MODIFIERS_SEPARATE); + gimp_tool_control_set_precision (tool->control, + GIMP_CURSOR_PRECISION_SUBPIXEL); + + sel_tool->allow_move = FALSE; +} + +static void +gimp_polygon_select_tool_finalize (GObject *object) +{ + GimpPolygonSelectTool *poly_sel = GIMP_POLYGON_SELECT_TOOL (object); + GimpPolygonSelectToolPrivate *priv = poly_sel->priv; + + g_clear_object (&priv->widget); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_polygon_select_tool_control (GimpTool *tool, + GimpToolAction action, + GimpDisplay *display) +{ + GimpPolygonSelectTool *poly_sel = GIMP_POLYGON_SELECT_TOOL (tool); + + switch (action) + { + case GIMP_TOOL_ACTION_PAUSE: + case GIMP_TOOL_ACTION_RESUME: + break; + + case GIMP_TOOL_ACTION_HALT: + gimp_polygon_select_tool_halt (poly_sel); + break; + + case GIMP_TOOL_ACTION_COMMIT: + break; + } + + GIMP_TOOL_CLASS (parent_class)->control (tool, action, display); +} + +static void +gimp_polygon_select_tool_button_press (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpButtonPressType press_type, + GimpDisplay *display) +{ + GimpPolygonSelectTool *poly_sel = GIMP_POLYGON_SELECT_TOOL (tool); + GimpPolygonSelectToolPrivate *priv = poly_sel->priv; + + if (tool->display && tool->display != display) + gimp_tool_control (tool, GIMP_TOOL_ACTION_COMMIT, tool->display); + + if (! priv->widget) /* not tool->display, we have a subclass */ + { + /* First of all handle delegation to the selection mask edit logic + * if appropriate. + */ + if (gimp_selection_tool_start_edit (GIMP_SELECTION_TOOL (poly_sel), + display, coords)) + { + return; + } + + gimp_polygon_select_tool_start (poly_sel, display); + + gimp_tool_widget_hover (priv->widget, coords, state, TRUE); + } + + if (gimp_tool_widget_button_press (priv->widget, coords, time, state, + press_type)) + { + priv->grab_widget = priv->widget; + } + + if (press_type == GIMP_BUTTON_PRESS_NORMAL) + gimp_tool_control_activate (tool->control); +} + +static void +gimp_polygon_select_tool_button_release (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpButtonReleaseType release_type, + GimpDisplay *display) +{ + GimpPolygonSelectTool *poly_sel = GIMP_POLYGON_SELECT_TOOL (tool); + GimpPolygonSelectToolPrivate *priv = poly_sel->priv; + GimpImage *image = gimp_display_get_image (display); + + gimp_tool_control_halt (tool->control); + + switch (release_type) + { + case GIMP_BUTTON_RELEASE_CLICK: + case GIMP_BUTTON_RELEASE_NO_MOTION: + /* If there is a floating selection, anchor it */ + if (gimp_image_get_floating_selection (image)) + { + floating_sel_anchor (gimp_image_get_floating_selection (image)); + + gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, display); + + return; + } + + /* fallthru */ + + default: + if (priv->grab_widget) + { + gimp_tool_widget_button_release (priv->grab_widget, + coords, time, state, release_type); + priv->grab_widget = NULL; + } + } + + if (priv->pending_response) + { + gimp_polygon_select_tool_polygon_response (priv->widget, + priv->pending_response_id, + poly_sel); + + priv->pending_response = FALSE; + } +} + +static void +gimp_polygon_select_tool_motion (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpDisplay *display) +{ + GimpPolygonSelectTool *poly_sel = GIMP_POLYGON_SELECT_TOOL (tool); + GimpPolygonSelectToolPrivate *priv = poly_sel->priv; + + if (priv->grab_widget) + { + gimp_tool_widget_motion (priv->grab_widget, coords, time, state); + } +} + +static gboolean +gimp_polygon_select_tool_key_press (GimpTool *tool, + GdkEventKey *kevent, + GimpDisplay *display) +{ + GimpPolygonSelectTool *poly_sel = GIMP_POLYGON_SELECT_TOOL (tool); + GimpPolygonSelectToolPrivate *priv = poly_sel->priv; + + if (priv->widget && display == tool->display) + { + return gimp_tool_widget_key_press (priv->widget, kevent); + } + + return FALSE; +} + +static void +gimp_polygon_select_tool_modifier_key (GimpTool *tool, + GdkModifierType key, + gboolean press, + GdkModifierType state, + GimpDisplay *display) +{ + GimpPolygonSelectTool *poly_sel = GIMP_POLYGON_SELECT_TOOL (tool); + GimpPolygonSelectToolPrivate *priv = poly_sel->priv; + + if (priv->widget && display == tool->display) + { + gimp_tool_widget_hover_modifier (priv->widget, key, press, state); + + /* let GimpSelectTool handle alt+ */ + if (! (state & GDK_MOD1_MASK)) + { + /* otherwise, shift/ctrl are handled by the widget */ + state &= ~(gimp_get_extend_selection_mask () | + gimp_get_modify_selection_mask ()); + } + } + + GIMP_TOOL_CLASS (parent_class)->modifier_key (tool, key, press, state, + display); +} + +static void +gimp_polygon_select_tool_oper_update (GimpTool *tool, + const GimpCoords *coords, + GdkModifierType state, + gboolean proximity, + GimpDisplay *display) +{ + GimpPolygonSelectTool *poly_sel = GIMP_POLYGON_SELECT_TOOL (tool); + GimpPolygonSelectToolPrivate *priv = poly_sel->priv; + + if (priv->widget && display == tool->display) + { + gimp_tool_widget_hover (priv->widget, coords, state, proximity); + + /* let GimpSelectTool handle alt+ */ + if (! (state & GDK_MOD1_MASK)) + { + /* otherwise, shift/ctrl are handled by the widget */ + state &= ~(gimp_get_extend_selection_mask () | + gimp_get_modify_selection_mask ()); + } + } + + GIMP_TOOL_CLASS (parent_class)->oper_update (tool, coords, state, proximity, + display); +} + +static void +gimp_polygon_select_tool_cursor_update (GimpTool *tool, + const GimpCoords *coords, + GdkModifierType state, + GimpDisplay *display) +{ + GimpPolygonSelectTool *poly_sel = GIMP_POLYGON_SELECT_TOOL (tool); + GimpPolygonSelectToolPrivate *priv = poly_sel->priv; + GimpCursorModifier modifier = GIMP_CURSOR_MODIFIER_NONE; + + if (tool->display) + { + if (priv->widget && display == tool->display) + { + gimp_tool_widget_get_cursor (priv->widget, coords, state, + NULL, NULL, &modifier); + + /* let GimpSelectTool handle alt+ */ + if (! (state & GDK_MOD1_MASK)) + { + /* otherwise, shift/ctrl are handled by the widget */ + state &= ~(gimp_get_extend_selection_mask () | + gimp_get_modify_selection_mask ()); + } + } + + gimp_tool_set_cursor (tool, display, + gimp_tool_control_get_cursor (tool->control), + gimp_tool_control_get_tool_cursor (tool->control), + modifier); + } + + GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, + display); +} + +static void +gimp_polygon_select_tool_real_confirm (GimpPolygonSelectTool *poly_sel, + GimpDisplay *display) +{ + gimp_tool_control (GIMP_TOOL (poly_sel), GIMP_TOOL_ACTION_COMMIT, display); +} + +static void +gimp_polygon_select_tool_polygon_change_complete (GimpToolWidget *polygon, + GimpPolygonSelectTool *poly_sel) +{ + if (GIMP_POLYGON_SELECT_TOOL_GET_CLASS (poly_sel)->change_complete) + { + GIMP_POLYGON_SELECT_TOOL_GET_CLASS (poly_sel)->change_complete ( + poly_sel, GIMP_TOOL (poly_sel)->display); + } +} + +static void +gimp_polygon_select_tool_polygon_response (GimpToolWidget *polygon, + gint response_id, + GimpPolygonSelectTool *poly_sel) +{ + GimpTool *tool = GIMP_TOOL (poly_sel); + GimpPolygonSelectToolPrivate *priv = poly_sel->priv; + + /* if we're in the middle of a click, defer the response to the + * button_release() event + */ + if (gimp_tool_control_is_active (tool->control)) + { + priv->pending_response = TRUE; + priv->pending_response_id = response_id; + + return; + } + + switch (response_id) + { + case GIMP_TOOL_WIDGET_RESPONSE_CONFIRM: + /* don't gimp_tool_control(COMMIT) here because we don't always + * want to HALT the tool after committing because we have a + * subclass, we do that in the default implementation of + * confirm(). + */ + if (GIMP_POLYGON_SELECT_TOOL_GET_CLASS (poly_sel)->confirm) + { + GIMP_POLYGON_SELECT_TOOL_GET_CLASS (poly_sel)->confirm ( + poly_sel, tool->display); + } + break; + + case GIMP_TOOL_WIDGET_RESPONSE_CANCEL: + gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, tool->display); + break; + } +} + +static void +gimp_polygon_select_tool_start (GimpPolygonSelectTool *poly_sel, + GimpDisplay *display) +{ + GimpTool *tool = GIMP_TOOL (poly_sel); + GimpPolygonSelectToolPrivate *priv = poly_sel->priv; + GimpDisplayShell *shell = gimp_display_get_shell (display); + + tool->display = display; + + priv->widget = gimp_tool_polygon_new (shell); + + gimp_draw_tool_set_widget (GIMP_DRAW_TOOL (tool), priv->widget); + + g_signal_connect (priv->widget, "change-complete", + G_CALLBACK (gimp_polygon_select_tool_polygon_change_complete), + poly_sel); + g_signal_connect (priv->widget, "response", + G_CALLBACK (gimp_polygon_select_tool_polygon_response), + poly_sel); + + gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), display); +} + + +/* public functions */ + +gboolean +gimp_polygon_select_tool_is_closed (GimpPolygonSelectTool *poly_sel) +{ + GimpPolygonSelectToolPrivate *priv; + + g_return_val_if_fail (GIMP_IS_POLYGON_SELECT_TOOL (poly_sel), FALSE); + + priv = poly_sel->priv; + + if (priv->widget) + return gimp_tool_polygon_is_closed (GIMP_TOOL_POLYGON (priv->widget)); + + return FALSE; +} + +void +gimp_polygon_select_tool_get_points (GimpPolygonSelectTool *poly_sel, + const GimpVector2 **points, + gint *n_points) +{ + GimpPolygonSelectToolPrivate *priv; + + g_return_if_fail (GIMP_IS_POLYGON_SELECT_TOOL (poly_sel)); + + priv = poly_sel->priv; + + if (priv->widget) + { + gimp_tool_polygon_get_points (GIMP_TOOL_POLYGON (priv->widget), + points, n_points); + } + else + { + if (points) *points = NULL; + if (n_points) *n_points = 0; + } +} + + +/* protected functions */ + +gboolean +gimp_polygon_select_tool_is_grabbed (GimpPolygonSelectTool *poly_sel) +{ + GimpPolygonSelectToolPrivate *priv; + + g_return_val_if_fail (GIMP_IS_POLYGON_SELECT_TOOL (poly_sel), FALSE); + + priv = poly_sel->priv; + + return priv->grab_widget != NULL; +} + +void +gimp_polygon_select_tool_halt (GimpPolygonSelectTool *poly_sel) +{ + GimpPolygonSelectToolPrivate *priv; + + g_return_if_fail (GIMP_IS_POLYGON_SELECT_TOOL (poly_sel)); + + priv = poly_sel->priv; + + gimp_draw_tool_set_widget (GIMP_DRAW_TOOL (poly_sel), NULL); + g_clear_object (&priv->widget); +} -- cgit v1.2.3